Waterproof Nylon Sling Crossbody Bag, Shoulder Backpack for Men and Women, Vintage Backpacks, Casual Daypacks, Lightweight Chest with USB Charge Pot, Travel Cycling

• 【Convenient Design】This bag comes with a USB charging cable and anti-theft design, so you can charge it conveniently anytime and anywhere. Note: This backpack does not include a battery, you need to use mobile power to charge it. • 【Comfortable and Lightweight】 Made of waterproof nylon fabric, lightweight and ergonomically designed padded and breathable straps, so you will never again suffer from neck, back, and shoulder pain like ordinary backpacks. • 【Multiple Usage】 This backpack is very comfortable to carry on your back and chest. It can be used as a shoulder bag or as a crossbody bag to increase your fashion. • 【Size】 This shoulder bag can hold laptops up to 7.9 inches. The backpack can be carried by handle or adjustable shoulder strap. • 【Customer Satisfaction】 All the products have passed strict quality inspection. If you encounter any problems during use, we will provide a satisfactory solution.